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        "question": {
            "questionId": "1858",
            "questionFrontendId": "1736",
            "boundTopicId": null,
            "title": "Latest Time by Replacing Hidden Digits",
            "titleSlug": "latest-time-by-replacing-hidden-digits",
            "content": "<p>You are given a string <code>time</code> in the form of <code> hh:mm</code>, where some of the digits in the string are hidden (represented by <code>?</code>).</p>\n\n<p>The valid times are those inclusively between <code>00:00</code> and <code>23:59</code>.</p>\n\n<p>Return <em>the latest valid time you can get from</em> <code>time</code><em> by replacing the hidden</em> <em>digits</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> time = &quot;2?:?0&quot;\n<strong>Output:</strong> &quot;23:50&quot;\n<strong>Explanation:</strong> The latest hour beginning with the digit &#39;2&#39; is 23 and the latest minute ending with the digit &#39;0&#39; is 50.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> time = &quot;0?:3?&quot;\n<strong>Output:</strong> &quot;09:39&quot;\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> time = &quot;1?:22&quot;\n<strong>Output:</strong> &quot;19:22&quot;\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>time</code> is in the format <code>hh:mm</code>.</li>\n\t<li>It is guaranteed that you can produce a valid time from the given string.</li>\n</ul>\n",
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            "difficulty": "Easy",
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            "categoryTitle": "Algorithms",
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                    "lang": "C++",
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                    "code": "class Solution {\npublic:\n    string maximumTime(string time) {\n        \n    }\n};",
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                    "code": "class Solution {\n    public String maximumTime(String time) {\n        \n    }\n}",
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                    "lang": "Python",
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                    "code": "class Solution(object):\n    def maximumTime(self, time):\n        \"\"\"\n        :type time: str\n        :rtype: str\n        \"\"\"\n        ",
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                    "lang": "Python3",
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                    "code": "class Solution:\n    def maximumTime(self, time: str) -> str:\n        ",
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                    "lang": "C",
                    "langSlug": "c",
                    "code": "\n\nchar * maximumTime(char * time){\n\n}",
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                    "code": "public class Solution {\n    public string MaximumTime(string time) {\n        \n    }\n}",
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                    "lang": "JavaScript",
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                    "code": "/**\n * @param {string} time\n * @return {string}\n */\nvar maximumTime = function(time) {\n    \n};",
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                    "lang": "Ruby",
                    "langSlug": "ruby",
                    "code": "# @param {String} time\n# @return {String}\ndef maximum_time(time)\n    \nend",
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                    "lang": "Swift",
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                    "code": "class Solution {\n    func maximumTime(_ time: String) -> String {\n        \n    }\n}",
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                    "lang": "Go",
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                    "code": "func maximumTime(time string) string {\n    \n}",
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                    "lang": "Scala",
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                    "code": "object Solution {\n    def maximumTime(time: String): String = {\n        \n    }\n}",
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                    "lang": "Kotlin",
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                    "code": "class Solution {\n    fun maximumTime(time: String): String {\n        \n    }\n}",
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                    "lang": "Rust",
                    "langSlug": "rust",
                    "code": "impl Solution {\n    pub fn maximum_time(time: String) -> String {\n        \n    }\n}",
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                    "lang": "PHP",
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                    "code": "class Solution {\n\n    /**\n     * @param String $time\n     * @return String\n     */\n    function maximumTime($time) {\n        \n    }\n}",
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                    "lang": "TypeScript",
                    "langSlug": "typescript",
                    "code": "function maximumTime(time: string): string {\n\n};",
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                    "lang": "Racket",
                    "langSlug": "racket",
                    "code": "(define/contract (maximum-time time)\n  (-> string? string?)\n\n  )",
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                    "lang": "Erlang",
                    "langSlug": "erlang",
                    "code": "-spec maximum_time(Time :: unicode:unicode_binary()) -> unicode:unicode_binary().\nmaximum_time(Time) ->\n  .",
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                    "lang": "Elixir",
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                    "code": "defmodule Solution do\n  @spec maximum_time(time :: String.t) :: String.t\n  def maximum_time(time) do\n\n  end\nend",
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            "hints": [
                "Trying out all possible solutions from biggest to smallest would fit in the time limit.",
                "To check if the solution is okay, you need to find out if it's valid and matches every character"
            ],
            "solution": null,
            "status": null,
            "sampleTestCase": "\"2?:?0\"",
            "metaData": "{\n  \"name\": \"maximumTime\",\n  \"params\": [\n    {\n      \"name\": \"time\",\n      \"type\": \"string\"\n    }\n  ],\n  \"return\": {\n    \"type\": \"string\"\n  }\n}",
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Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. 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For the latest Python, please choose Python3 instead.</p>\"], \"c\": [\"C\", \"<p>Compiled with <code>gcc 8.2</code> using the gnu99 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level one optimization (<code>-O1</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n\\r\\n<p>For hash table operations, you may use <a href=\\\"https://troydhanson.github.io/uthash/\\\" target=\\\"_blank\\\">uthash</a>. \\\"uthash.h\\\" is included by default. Below are some examples:</p>\\r\\n\\r\\n<p><b>1. Adding an item to a hash.</b>\\r\\n<pre>\\r\\nstruct hash_entry {\\r\\n    int id;            /* we'll use this field as the key */\\r\\n    char name[10];\\r\\n    UT_hash_handle hh; /* makes this structure hashable */\\r\\n};\\r\\n\\r\\nstruct hash_entry *users = NULL;\\r\\n\\r\\nvoid add_user(struct hash_entry *s) {\\r\\n    HASH_ADD_INT(users, id, s);\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>2. Looking up an item in a hash:</b>\\r\\n<pre>\\r\\nstruct hash_entry *find_user(int user_id) {\\r\\n    struct hash_entry *s;\\r\\n    HASH_FIND_INT(users, &user_id, s);\\r\\n    return s;\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>3. 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